<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">{{ title }}</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
          @keyup.enter="handleLogin">
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="验证码" style="width: 63%"
          @keyup.enter="handleLogin">
          <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="large" type="primary" style="width:100%;" @click.prevent="handleLogin">
          <span v-if="!loading">登 录<span v-if="!isEmptyStr(loginForm.authId)"> 并 绑 定</span></span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="true">
          <router-link class="link-type" :to="{ path: '/register', query: { authId: loginForm.authId } }">立即注册<span
              v-if="!isEmptyStr(loginForm.authId)">并绑定</span>
          </router-link>
        </div>
        <div style="float: right;padding-left: 15em;">
          <el-popover placement="top" :width="230">
            <template #reference>
              <el-link type="primary">小程序体验</el-link>
            </template>
            <el-image style="width: 200px; height: 200px" :src="appletImg" fit="fit" />
          </el-popover>

        </div>
      </el-form-item>
      <el-divider>其他登录方式</el-divider>
      <div style="padding-bottom: 1em;">
        <el-tooltip class="box-item" effect="dark" content="微信公众号登录" placement="top" v-if="isWeiXin()">
          <el-button type="primary" size="large" text circle @click="justAuth('WeChatMp')">
            <el-icon :size="30">
              <svg-icon icon-class="wechatmp" />
            </el-icon>
          </el-button>
        </el-tooltip>
        <el-tooltip class="box-item" effect="dark" content="钉钉扫码登录" placement="top">
          <el-button type="primary" size="large" text circle @click="justAuth('DingTalk')">
            <el-icon :size="30">
            <svg-icon icon-class="dingtalk"/>
            </el-icon>
          </el-button>
        </el-tooltip>
        <el-tooltip class="box-item" effect="dark" content="阿里云登录" placement="top">
          <el-button type="primary" size="large" text circle @click="justAuth('Aliyun')">
            <el-icon :size="30">
              <svg-icon icon-class="aliyun"/>
            </el-icon>
          </el-button>
        </el-tooltip>

      </div>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg, getRender, getCallback } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import { isEmptyStr } from '@/utils/validate'
import { setToken } from '@/utils/auth'
import appletImg from '@/assets/images/applet.png'

const title = import.meta.env.VITE_APP_TITLE
const userStore = useUserStore()
const router = useRouter();
const { proxy } = getCurrentInstance();
const route = useRoute();

const loginForm = ref({
  username: "admin",
  password: "admin123",
  rememberMe: false,
  code: "",
  uuid: "",
  //绑定第三方的id
  authId: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        router.push({ path: redirect.value || "/" });
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie(authId) {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");

  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
    authId
  };
}
//第三方登录
function justAuth(type) {
  getRender(type).then(res => {
    window.location.href = res.data;
  })
}
//第三方登录回调
function justAuthCallback(type) {
  if (!isEmptyStr(type)) {
    const code = route.query && route.query.code
    const state = route.query && route.query.state

    if (isEmptyStr(code) || isEmptyStr(state)) {
      proxy.$modal.msgError('当前登录方式异常！请联系管理员')
      return;
    }
    getCallback(type, { code, state }).then(res => {
      if (res.code == 602) {
        getCookie(res.authId)
        return;
      }
      setToken(res.token)
      router.push({ path: redirect.value || "/" });
    }).finally(() => {
      router.push({ path: "/login", query: { redirect: route.query && route.query.redirect } });
    })
  }
}

function isWeiXin() {
  var ua = window.navigator.userAgent.toLowerCase();
  // ua.indexOf('micromessenger')为真-微信端，如果为假，就是其他浏览器
  if (ua.indexOf('micromessenger') > -1) {
    return true; // 是微信端
  } else {
    return false;
  }
}

justAuthCallback(route.params && route.params.type)
getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
